Freudenthal, Hans,  1905-1990. <br/><br/>
Didactical phenomenology of mathematical structures  [electronic resource] / 
Hans Freudenthal. 
 - Boston :  Kluwer Academic,  1983. 
 - 607 p. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA11  / .F769 1983